When you really need to go for a shit and it suddenly catches you off guard. You have to stop everything you are doing, even if you are in the middle of a converstion with someone. you then run to the nearest toilet at the suprise of anyone watching. as you run, you uncontrollably fart, suprising even yourself! but often enough it is funny for all involved, it depends how well you know the witness

Rarts is a game formed in the small village called New cumnock where
Two opponents compete in a skilled throwing competition. Basically its darts
With red chip stones (rarts) so you start with twenty rarts each and stand
Ten feet from a drain then throw your rarts in turns. whoever gets the most

Points wins. The scoring system if your rart rolls in 1 point if the rart goes straight